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Pebbles

Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?

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Sweets in a Box

How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?

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Maze 100

Can you go through this maze so that the numbers you pass add to exactly 100?

Forgot the Numbers

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

What do you know about division that might help?

Having a calculator to hand will be useful.

Have a look at each approach.  What do you think he/she/they were doing?

How do you think that will help to solve the problem?

What do you think he/she/they would have done next?